URGENT: Can someone help me solve these problems?

Question

asked Oct 16, 2020 172k views

1 Answer

Able Mac · Answer 1 · 2020-10-20T18:28:38+0000

Answer:

12

Explanation:

21=31

31=7+2-3+0=12

This is correct because linear equations mean add subtract divide and multiply instead of finding roots and squares